User:Noclador/sandbox/Divisional units history

1st Infantry Division

 * 1st Infantry Division SSI (1918-2015).svg 1st Infantry Division
 * 1st Armored Brigade Combat Team
 * 1st Squadron, 4th Cavalry Regiment --> WWII: 4th Mechanized Cavalry Group
 * 1st Battalion, 16th Infantry Regiment --> WWII: 1st Infantry Division
 * 2nd Battalion, 34th Armor Regiment --> WWII: 5th Armored Division
 * 3rd Battalion, 66th Armor Regiment --> WWII: 2nd Armored Division
 * 1st Brigade Engineer Battalion --> WWII: 1st Infantry Division
 * 101st Brigade Support Battalion
 * 2nd Armored Brigade Combat Team
 * 5th Squadron, 4th Cavalry Regiment --> WWII: 4th Mechanized Cavalry Group
 * 1st Battalion, 18th Infantry Regiment --> WWII: 1st Infantry Division
 * 1st Battalion, 63rd Armor Regiment --> WWII: 745th Tank Battalion
 * 2nd Battalion, 70th Armor Regiment --> WWII: Company B, 70th Tank Battalion
 * 82nd Brigade Engineer Battalion --> WWII: 1st Battalion, 39th Engineer Combat Regiment
 * 299th Brigade Support Battalion
 * '''1st Infantry Division Artillery
 * 1st Battalion, 5th Field Artillery Regiment --> WWII: 1st Infantry Division Artillery
 * 1st Battalion, 7th Field Artillery Regiment --> WWII: 1st Infantry Division Artillery
 * 1st Combat Aviation Brigade
 * 1st Squadron, 6th Cavalry Regiment --> WWII: 6th Mechanized Cavalry Group (Third Army Reconnaissance)
 * 1st Battalion (Attack), 1st Aviation Regiment
 * 2nd Battalion (General Support), 1st Aviation Regiment
 * 3rd Battalion (Assault), 1st Aviation Regiment
 * 601st Aviation Support Battalion
 * 1st Infantry Division Sustainment Brigade
 * Division Sustainment Troops Battalion
 * 541st Division Sustainment Support Battalion

2nd Infantry Division

 * 2nd Infantry Division (US) SSI.png 2nd Infantry Division
 * 1st Stryker Brigade Combat Team
 * 1st Squadron, 14th Cavalry Regiment --> WWII: 14th Mechanized Cavalry Group (9th Armored Division as: 14th Armored Regiment)
 * 2nd Battalion, 3rd Infantry Regiment --> WWII: 3rd Infantry Regiment (Separate)
 * 5th Battalion, 20th Infantry Regiment --> WWII: 6th Infantry Division
 * 1st Battalion, 23rd Infantry Regiment --> WWII: 2nd Infantry Division
 * 23rd Brigade Engineer Battalion --> WWII: 3rd Armored Division
 * 296th Brigade Support Battalion
 * 2nd Stryker Brigade Combat Team
 * 8th Squadron, 1st Cavalry Regiment --> WWII: 1st Armored Division (1st Armored Regiment)
 * 2nd Battalion, 1st Infantry Regiment --> WWII: 6th Infantry Division
 * 1st Battalion, 17th Infantry Regiment --> WWII: 7th Infantry Division
 * 4th Battalion, 23rd Infantry Regiment --> WWII: 2nd Infantry Division
 * 14th Brigade Engineer Battalion --> WWII: 1st Battalion, 36th Engineer Combat Regiment
 * 2nd Brigade Support Battalion
 * 2nd Infantry Division Artillery
 * 2nd Battalion, 17th Field Artillery Regiment --> WWII: 17th Field Artillery Regiment
 * 1st Battalion, 37th Field Artillery Regiment --> WWII: 2nd Infantry Division Artillery
 * 2nd Combat Aviation Brigade
 * 5th Squadron, 17th Cavalry Regiment
 * 2nd Battalion (Assault), 2nd Aviation Regiment
 * 3rd Battalion (General Support), 2nd Aviation Regiment
 * 4th Battalion (Attack), 2nd Aviation Regiment
 * 602nd Aviation Support Battalion "Warhorse"
 * 210th Field Artillery Brigade
 * 6th Battalion, 37th Field Artillery Regiment --> WWII: 2nd Infantry Division Artillery
 * 1st Battalion, 38th Field Artillery Regiment --> WWII: 2nd Infantry Division Artillery
 * 70th Brigade Support Battalion
 * 2nd Division Sustainment Brigade
 * Division Special Troops Battalion
 * 194th Division Sustainment Support Battalion
 * 11th Engineer Battalion --> WWII: 11th Engineer Combat Battalion
 * 23rd Chemical Battalion --> WWII: 23rd Chemical Smoke Generator Battalion

3rd Infantry Division

 * 3rd_Infantry_Division_CSIB.png 3rd Infantry Division
 * 1st Brigade Combat Team|Armored Brigade Combat Team
 * 5th Squadron, 7th Cavalry Regiment --> WWII: 1st Cavalry Division
 * 1st Battalion, 64th Armor Regiment --> WWII: 758th Tank Battalion
 * 3rd Battalion, 69th Armor Regiment --> WWII: 6th Armored Division
 * 2nd Battalion, 7th Infantry Regiment --> WWII: 3rd Infantry Division
 * 10th Brigade Engineer Battalion --> WWII: 3rd Infantry Division
 * 3rd Brigade Support Battalion
 * 2nd Armored Brigade Combat Team
 * 6th Squadron, 8th Cavalry Regiment --> WWII: 1st Cavalry Division
 * 3rd Battalion, 67th Armor Regiment --> WWII: 2nd Armored Division
 * 2nd Battalion, 69th Armor Regiment --> WWII: 6th Armored Division
 * 3rd Battalion, 15th Infantry Regiment --> WWII: 3rd Infantry Division
 * 9th Brigade Engineer Battalion --> WWII: 9th Armored Division
 * 703rd Brigade Support Battalion
 * 3rd Division Artillery
 * 1st Battalion, 9th Field Artillery Regiment --> WWII: 3rd Infantry Division
 * 1st Battalion, 41st Field Artillery Regiment --> WWII: 3rd Infantry Division
 * 83rd Chemical Battalion --> WWII: 83rd Chemical Battalion
 * 92nd Engineer Battalion --> WWII: 92nd Engineer General Service Regiment
 * 103rd Intelligence and Electronic Warfare Battalion
 * '''3rd Combat Aviation Brigade
 * 3rd Squadron, 17th Cavalry Regiment
 * 2nd Battalion (General Support), 3rd Aviation Regiment
 * 4th Battalion (Assault), 3rd Aviation Regiment
 * 603rd Aviation Support Battalion
 * 3rd Division Sustainment Brigade
 * Division Sustainment Troops Battalion
 * 87th Division Sustainment Support Battalion

4th Infantry Division

 * 4th Infantry Division SSI.svg 4th Infantry Division
 * 1st Stryker Brigade Combat Team
 * 2nd Squadron, 1st Cavalry Regiment --> WWII: 1st Armored Division
 * 4th Battalion, 9th Infantry Regiment --> WWII: 2nd Infantry Division
 * 2nd Battalion, 23rd Infantry Regiment --> WWII: 2nd Infantry Division
 * 1st Battalion, 38th Infantry Regiment --> WWII: 2nd Infantry Division
 * 299th Brigade Engineer Battalion --> WWII: 299th Engineer Combat Battalion
 * 4th Brigade Support Battalion
 * 2nd Stryker Brigade Combat Team
 * 3rd Squadron, 61st Cavalry Regiment --> WWII: 601st Tank Destroyer Battalion
 * 1st Battalion, 12th Infantry Regiment --> WWII: 4th Infantry Division
 * 2nd Battalion, 12th Infantry Regiment --> WWII: 4th Infantry Division
 * 1st Battalion, 41st Infantry Regiment --> WWII: 2nd Armored Division
 * 52nd Brigade Engineer Battalion --> WWII: 19th Engineer Combat Regiment
 * 704th Brigade Support Battalion
 * 3rd Armored Brigade Combat Team
 * 4th Squadron, 10th Cavalry Regiment --> WWII: 2nd Cavalry Division
 * 1st Battalion, 66th Armor Regiment --> WWII: 2nd Armored Division
 * 1st Battalion, 68th Armor Regiment --> WWII: 6th Armored Division
 * 1st Battalion, 8th Infantry Regiment --> WWII: 4th Infantry Division
 * 588th Brigade Engineer Battalion --> WWII: 388th Engineer General Service Regiment
 * 64th Brigade Support Battalion
 * 4th Division Artillery
 * 2nd Battalion, 12th Field Artillery Regiment --> WWII: 2nd Infantry Division
 * 3rd Battalion, 29th Field Artillery Regiment --> WWII: 4th Infantry Division
 * 2nd Battalion, 77th Field Artillery Regiment --> WWII: 2nd Cavalry Division
 * 4th Combat Aviation Brigade
 * 6th Squadron, 17th Cavalry Regiment
 * 2nd Battalion (General Support), 4th Aviation Regiment
 * 3rd Battalion (Assault), 4th Aviation Regiment
 * 4th Battalion (Attack), 4th Aviation Regiment
 * 404th Aviation Support Battalion
 * 4th Division Sustainment Brigade
 * Division Sustainment Troops Battalion
 * 68th Division Sustainment Support Battalion

10th Mountain Division

 * Shoulder sleeve insignia of the 10th Mountain Division (1944-2015).svg 10th Mountain Division
 * 1st Infantry Brigade Combat Team
 * 3rd Squadron, 71st Cavalry Regiment --> WWII: 701st Tank Destroyer Battalion
 * 2nd Battalion, 22nd Infantry Regiment --> WWII: 4th Infantry Division
 * 1st Battalion, 32nd Infantry Regiment --> WWII: 7th Infantry Division
 * 1st Battalion, 87th Infantry Regiment --> WWII: 10th Mountain Division
 * 7th Brigade Engineer Battalion --> WWII: 5th Infantry Division
 * 10th Brigade Support Battalion
 * 2nd Infantry Brigade Combat Team
 * 1st Squadron, 89th Cavalry Regiment --> WWII: 899th Tank Destroyer Battalion
 * 2nd Battalion, 14th Infantry Regiment --> WWII: 71st Infantry Division
 * 4th Battalion, 31st Infantry Regiment --> WWII: Philippine Division
 * 2nd Battalion, 87th Infantry Regiment --> WWII: 10th Mountain Division
 * 41st Brigade Engineer Battalion --> WWII: 10th Mountain Division (as: 126th Engineer Mountain Battalion)
 * 210th Brigade Support Battalion
 * 3rd Infantry Brigade Combat Team
 * 3rd Squadron, 89th Cavalry Regiment --> WWII: 899th Tank Destroyer Battalion
 * 2nd Battalion, 2nd Infantry Regiment --> WWII: 5th Infantry Division
 * 2nd Battalion, 4th Infantry Regiment --> WWII: 4th Infantry Regiment
 * 2nd Battalion, 30th Infantry Regiment --> WWII: 3rd Infantry Division
 * 317th Brigade Engineer Battalion --> WWII: 92nd Infantry Division
 * 710th Brigade Support Battalion
 * 10th Division Artillery
 * 3rd Battalion, 6th Field Artillery Regiment --> WWII: 37th Infantry Division
 * 2nd Battalion, 15th Field Artillery Regiment --> WWII: 2nd Infantry Division
 * 5th Battalion, 25th Field Artillery Regiment --> WWII: 10th Mountain Division (as 604th Field Artillery Battalion)
 * 10th Combat Aviation Brigade
 * 6th Squadron, 6th Cavalry Regiment --> WWII: 6th Mechanized Cavalry Group (Third Army Reconnaissance)
 * 1st Battalion (Attack), 10th Aviation Regiment
 * 2nd Battalion (Assault), 10th Aviation Regiment
 * 3rd Battalion (General Support), 10th Aviation Regiment
 * 277th Aviation Support Battalion
 * 10th Division Sustainment Brigade
 * Division Sustainment Troops Battalion
 * 548th Division Sustainment Support Battalion

25th Infantry Division

 * 25th Infantry Division CSIB.svg 25th Infantry Division
 * 2nd Infantry Brigade Combat Team
 * 2nd Squadron, 14th Cavalry Regiment --> WWII: 14th Mechanized Cavalry Group (9th Armored Division as: 14th Armored Regiment)
 * 1st Battalion, 21st Infantry Regiment --> WWII: 24th Infantry Division
 * 1st Battalion, 27th Infantry Regiment --> WWII: 25th Infantry Division
 * 65th Brigade Engineer Battalion --> WWII: 25th Infantry Division
 * 225th Brigade Support Battalion
 * 3rd Infantry Brigade Combat Team
 * 3rd Squadron, 4th Cavalry Regiment --> WWII: 4th Mechanized Cavalry Group
 * 2nd Battalion, 27th Infantry Regiment --> WWII: 25th Infantry Division
 * 2nd Battalion, 35th Infantry Regiment --> WWII: 25th Infantry Division
 * 100th Battalion, 442nd Infantry Regiment --> WWII: 442nd Regimental Combat Team
 * 29th Brigade Engineer Battalion --> WWII: 29th Engineer Topographic Battalion
 * 325th Brigade Support Battalion
 * 25th Division Artillery
 * 3rd Battalion, 7th Field Artillery Regiment --> WWII: 1st Infantry Division
 * 2nd Battalion, 11th Field Artillery Regiment --> WWII: 24th Infantry Division
 * 125th Intelligence and Electronic Warfare Battalion
 * 25th Combat Aviation Brigade
 * 2nd Squadron, 6th Cavalry Regiment --> WWII: 6th Mechanized Cavalry Group
 * 2nd Battalion (Assault), 25th Aviation Regiment
 * 3rd Battalion (General Support), 25th Aviation Regiment
 * 209th Aviation Support Battalion
 * 25th Division Sustainment Brigade
 * 25th Division Sustainment Troops Battalion
 * 524th Division Sustainment Support Battalion

1st Armored Division

 * United States Army 1st Armored Division CSIB.svg 1st Armored Division
 * 1st Armored Brigade Combat Team
 * 6th Squadron, 1st Cavalry Regiment --> WWII: 1st Armored Division (1st Armored Regiment)
 * 1st Battalion, 36th Infantry Regiment --> WWII: 3rd Armored Division
 * 2nd Battalion, 37th Armor Regiment --> WWII: 4th Armored Division
 * 4th Battalion, 70th Armor Regiment --> WWII: 70th Tank Battalion
 * 16th Brigade Engineer Battalion --> WWII: 1st Armored Division
 * 501st Brigade Support Battalion
 * 2nd Armored Brigade Combat Team
 * 1st Squadron, 1st Cavalry Regiment --> WWII: 1st Armored Division (1st Armored Regiment)
 * 1st Battalion, 6th Infantry Regiment --> WWII: 1st Armored Division
 * 1st Battalion, 35th Armor Regiment --> WWII: 4th Armored Division
 * 1st Battalion, 37th Armor Regiment --> WWII: 4th Armored Division
 * 40th Brigade Engineer Battalion --> WWII: 348th Engineer Combat Battalion
 * 47th Brigade Support Battalion
 * 3rd Armored Brigade Combat Team
 * 2nd Squadron, 13th Cavalry Regiment --> WWII: 1st Armored Division (1st Armored Regiment)
 * 4th Battalion, 6th Infantry Regiment --> WWII: 1st Armored Division
 * 1st Battalion, 67th Armor Regiment --> WWII: 2nd Armored Division
 * 1st Battalion, 77th Armor Regiment --> WWII: 753rd Tank Battalion
 * 2nd Brigade Engineer Battalion --> WWII: 2nd Infantry Division
 * 123rd Brigade Support Battalion
 * 1st Armored Division Artillery
 * 4th Battalion, 1st Field Artillery Regiment --> WWII: 6th Infantry Division
 * 2nd Battalion, 3rd Field Artillery Regiment --> WWII: 9th Armored Division
 * 4th Battalion, 27th Field Artillery Regiment --> WWII: 1st Armored Division
 * Combat Aviation Brigade, 1st Armored Division
 * 3rd Squadron (Attack/Reconnaissance), 6th Cavalry Regiment --> WWII: 6th Mechanized Cavalry Group (Third Army Reconnaissance)
 * 1st Battalion (Attack), 501st Aviation Regiment
 * 2nd Battalion (General Support), 501st Aviation Regiment
 * 3rd Battalion (Assault), 501st Aviation Regiment
 * 127th Aviation Support Battalion
 * 1st Armored Division Sustainment Brigade
 * Special Troops Battalion
 * 142nd Division Sustainment Support Battalion

1st Cavalry Division

 * [[File:Combat service identification badge of the United States Army 1st Cavalry Division.svg|25px]] 1st Cavalry Division
 * 1st Brigade Combat Team
 * 1st Squadron, 7th Cavalry Regiment --> WWII: 1st Cavalry Division
 * 2nd Battalion, 5th Cavalry Regiment --> WWII: 1st Cavalry Division
 * 2nd Battalion, 8th Cavalry Regiment --> WWII: 1st Cavalry Division
 * 2nd Battalion, 12th Cavalry Regiment --> WWII: 1st Cavalry Division
 * 91st Brigade Engineer Battalion --> WWII: 91st Engineer General Service Regiment
 * 115th Brigade Support Battalion
 * 2nd Brigade Combat Team
 * 4th Squadron, 9th Cavalry Regiment --> WWII: 2nd Cavalry Division
 * 1st Battalion, 5th Cavalry Regiment --> WWII: 1st Cavalry Division
 * 1st Battalion, 8th Cavalry Regiment --> WWII: 1st Cavalry Division
 * 1st Battalion, 9th Cavalry Regiment --> WWII: 2nd Cavalry Division
 * 8th Brigade Engineer Battalion --> WWII: 1st Cavalry Division
 * 15th Brigade Support Battalion
 * 3rd Brigade Combat Team
 * 6th Squadron, 9th Cavalry Regiment --> WWII: 2nd Cavalry Division
 * 2nd Battalion, 7th Cavalry Regiment --> WWII: 1st Cavalry Division
 * 3rd Battalion, 8th Cavalry Regiment --> WWII: 1st Cavalry Division
 * 1st Battalion, 12th Cavalry Regiment --> WWII: 1st Cavalry Division
 * 3rd Brigade Engineer Battalion --> WWII: 24th Infantry Division
 * 215th Brigade Support Battalion
 * 1st Cavalry Division Artillery
 * 3rd Battalion, 16th Field Artillery Regiment --> WWII: 9th Armored Division
 * 1st Battalion, 82nd Field Artillery Regiment --> WWII: 1st Cavalry Division
 * 2nd Battalion, 82nd Field Artillery Regiment --> WWII: 1st Cavalry Division
 * 1st Air Cavalry Brigade
 * 7th Squadron, 17th Cavalry Regiment
 * 1st Battalion (Attack), 227th Aviation Regiment
 * 2nd Battalion (Assault), 227th Aviation Regiment
 * 3rd Battalion (General Support), 227th Aviation Regiment
 * 615th Aviation Support Battalion "Cold Steel"
 * 1st Cavalry Division Sustainment Brigade
 * Special Troops Battalion
 * 553rd Division Sustainment Support Battalion

11th Airborne Division

 * 11th Airborne Division Insignia 2022.png 11th Airborne Division
 * 1st Infantry Brigade Combat Team
 * 5th Squadron, 1st Cavalry Regiment --> WWII: 1st Armored Division (1st Armored Regiment)
 * 1st Battalion, 5th Infantry Regiment --> WWII: 71st Infantry Division
 * 1st Battalion, 24th Infantry Regiment --> WWII: 24th Infantry Regiment
 * 70th Brigade Engineer Battalion --> WWII: 145th Engineer Combat Battalion
 * 25th Brigade Support Battalion
 * 2nd Infantry Brigade Combat Team (Airborne)
 * 1st Squadron, 40th Cavalry Regiment --> WWII: 7th Armored Division (40th Armored Regiment)
 * 1st Battalion, 501st Infantry Regiment --> WWII: 101st Airborne Division
 * 3rd Battalion, 509th Infantry Regiment --> WWII: 509th Parachute Infantry Regiment
 * 6th Brigade Engineer Battalion --> WWII: 6th Infantry Division
 * 725th Brigade Support Battalion
 * 11th Airborne Division Artillery
 * 2nd Battalion, 8th Field Artillery Regiment --> WWII: 25th Infantry Division
 * 2nd Battalion, 377th Field Artillery Regiment --> WWII: 101st Airborne Division
 * Aviation Task Force
 * 1st Battalion (Attack Reconnaissance), 25th Aviation Regiment
 * 1st Battalion (General Support), 52nd Aviation Regiment
 * 17th Division Sustainment Support Battalion

82nd Airborne Division

 * 82 Airborne Patch.svg 82nd Airborne Division
 * 1st Infantry Brigade Combat Team
 * 3rd Squadron, 73rd Cavalry Regiment --> WWII: 756th Tank Battalion
 * 2nd Battalion, 501st Infantry Regiment --> WWII: 101st Airborne Division
 * 1st Battalion, 504th Infantry Regiment --> WWII: 82nd Airborne Division
 * 2nd Battalion, 504th Infantry Regiment --> WWII: 82nd Airborne Division
 * 127th Brigade Engineer Battalion --> WWII: 11th Airborne Division
 * 2nd Infantry Brigade Combat Team
 * 1st Squadron, 73rd Cavalry Regiment --> WWII: 756th Tank Battalion
 * 1st Battalion, 325th Infantry Regiment --> WWII: 82nd Airborne Division
 * 2nd Battalion, 325th Infantry Regiment --> WWII: 82nd Airborne Division
 * 2nd Battalion, 508th Infantry Regiment --> WWII: 82nd Airborne Division
 * 37th Brigade Engineer Battalion --> WWII: 37th Engineer Combat Battalion
 * 3rd Infantry Brigade Combat Team
 * 5th Squadron, 73rd Cavalry Regiment --> WWII: 756th Tank Battalion
 * 1st Battalion, 505th Infantry Regiment --> WWII: 82nd Airborne Division
 * 2nd Battalion, 505th Infantry Regiment --> WWII: 82nd Airborne Division
 * 1st Battalion, 508th Infantry Regiment --> WWII: 82nd Airborne Division
 * 307th Brigade Engineer Battalion --> WWII: 82nd Airborne Division
 * 82nd Division Artillery
 * 1st Battalion, 319th Airborne Field Artillery Regiment --> WWII: 82nd Airborne Division
 * 2nd Battalion, 319th Airborne Field Artillery Regiment --> WWII: 82nd Airborne Division
 * 3rd Battalion, 319th Airborne Field Artillery Regiment --> WWII: 82nd Airborne Division
 * 82nd Combat Aviation Brigade
 * 1st Squadron (Attack/Reconnaissance), 17th Cavalry Regiment
 * 1st Battalion (Attack), 82nd Aviation Regiment
 * 2nd Battalion (Assault), 82nd Aviation Regiment
 * 3rd Battalion (General Support), 82nd Aviation Regiment
 * 122nd Aviation Support Battalion
 * 82nd Airborne Division Sustainment Brigade
 * 82nd Special Troops Battalion
 * 82nd Brigade Support Battalion
 * 189th Combat Sustainment Support Battalion
 * 307th Brigade Support Battalion
 * 407th Brigade Support Battalion

101st Airborne Division

 * Combat service identification badge of the 101st Airborne Division.png 101st Airborne Division
 * 1st Infantry Brigade Combat Team|Brigade Combat Team
 * 1st Squadron, 32nd Cavalry Regiment --> WWII: 3rd Armored Division
 * 1st Battalion, 327th Infantry Regiment --> WWII: 101st Airborne Division
 * 2nd Battalion, 327th Infantry Regiment --> WWII: 101st Airborne Division
 * 1st Battalion, 506th Infantry Regiment --> WWII: 101st Airborne Division
 * 326th Brigade Engineer Battalion --> WWII: 101st Airborne Division
 * 426th Brigade Support Battalion
 * 2nd Brigade Combat Team
 * 1st Squadron, 75th Cavalry Regiment --> WWII: ???
 * 1st Battalion, 26th Infantry Regiment --> WWII: 1st Infantry Division
 * 1st Battalion, 502nd Infantry Regiment --> WWII: 101st Airborne Division
 * 2nd Battalion, 502nd Infantry Regiment --> WWII: 101st Airborne Division
 * 39th Brigade Engineer Battalion --> WWII: 2nd Battalion, 39th Engineer Combat Regiment
 * 526th Brigade Support Battalion
 * 3rd Brigade Combat Team
 * 1st Squadron, 33rd Cavalry Regiment --> WWII: 3rd Armored Division
 * 1st Battalion, 187th Infantry Regiment --> WWII: 11th Airborne Division
 * 3rd Battalion, 187th Infantry Regiment --> WWII: 11th Airborne Division
 * 2nd Battalion, 506th Infantry Regiment --> WWII: 101st Airborne Division
 * 21st Brigade Engineer Battalion --> WWII: 1277th Engineer Combat Battalion
 * 626th Brigade Support Battalion
 * 101st Airborne Division Artillery
 * 2nd Battalion, 32nd Field Artillery Regiment --> WWII: 1st Infantry Division
 * 1st Battalion, 320th Field Artillery Regiment --> WWII: 82nd Airborne Division
 * 3rd Battalion, 320th Field Artillery Regiment --> WWII: 82nd Airborne Division
 * 101st Combat Aviation Brigade
 * 2nd Squadron (Attack/Reconnaissance), 17th Cavalry Regiment
 * 1st Battalion (Attack), 101st Aviation Regiment
 * 5th Battalion (Assault), 101st Aviation Regiment
 * 6th Battalion (General Support), 101st Aviation Regiment
 * 96th Aviation Support Battalion
 * 101st Sustainment Brigade
 * 101st Special Troops Battalion
 * 129th Division Sustainment Support Battalion

173rd Airborne Brigade

 * 173Airborne Brigade Shoulder Patch.png 173rd Airborne Brigade
 * 1st Squadron, 91st Cavalry Regiment --> WWII: 91st Reconnaissance Squadron
 * 1st Battalion, 503rd Infantry Regiment --> WWII: 503rd Parachute Infantry Regiment
 * 2nd Battalion, 503rd Infantry Regiment --> WWII: 503rd Parachute Infantry Regiment
 * 4th Battalion, 319th Airborne Field Artillery Regiment --> WWII: 82nd Airborne Division
 * 54th Brigade Engineer Battalion --> WWII: 1340th Engineer Combat Battalion
 * 173rd Support Battalion

Army divisions by still active

 * 1st Infantry Division SSI (1918-2015).svg 1st Infantry Division - 8×
 * 1st Battalion, 16th Infantry Regiment
 * 1st Battalion, 18th Infantry Regiment
 * 1st Battalion, 26th Infantry Regiment
 * 1st Battalion, 5th Field Artillery Regiment
 * 1st Battalion, 7th Field Artillery Regiment
 * 3rd Battalion, 7th Field Artillery Regiment
 * 2nd Battalion, 32nd Field Artillery Regiment
 * 1st Brigade Engineer Battalion


 * 2nd Infantry Division (US) SSI.png 2nd Infantry Division - 11×
 * 4th Battalion, 9th Infantry Regiment
 * 1st Battalion, 23rd Infantry Regiment
 * 2nd Battalion, 23rd Infantry Regiment
 * 4th Battalion, 23rd Infantry Regiment
 * 1st Battalion, 38th Infantry Regiment
 * 2nd Battalion, 12th Field Artillery Regiment
 * 2nd Battalion, 15th Field Artillery Regiment
 * 1st Battalion, 37th Field Artillery Regiment
 * 6th Battalion, 37th Field Artillery Regiment
 * 1st Battalion, 38th Field Artillery Regiment
 * 2nd Brigade Engineer Battalion


 * 3rd_Infantry_Division_CSIB.png 3rd Infantry Division - 6×
 * 2nd Battalion, 7th Infantry Regiment
 * 3rd Battalion, 15th Infantry Regiment
 * 2nd Battalion, 30th Infantry Regiment
 * 1st Battalion, 9th Field Artillery Regiment
 * 1st Battalion, 41st Field Artillery Regiment
 * 10th Brigade Engineer Battalion


 * 4th Infantry Division SSI.svg 4th Infantry Division - 5×
 * 1st Battalion, 8th Infantry Regiment
 * 1st Battalion, 12th Infantry Regiment
 * 2nd Battalion, 12th Infantry Regiment
 * 2nd Battalion, 22nd Infantry Regiment
 * 3rd Battalion, 29th Field Artillery Regiment


 * US 5th Infantry Division.svg 5th Infantry Division - 2×
 * 2nd Battalion, 2nd Infantry Regiment
 * 7th Brigade Engineer Battalion


 * 6th Infantry Division.svg 6th Infantry Division - 4×
 * 2nd Battalion, 1st Infantry Regiment
 * 5th Battalion, 20th Infantry Regiment
 * 4th Battalion, 1st Field Artillery Regiment
 * 6th Brigade Engineer Battalion


 * 7th Infantry Division SSI (1973-2015).svg 7th Infantry Division - 2×
 * 1st Battalion, 17th Infantry Regiment
 * 1st Battalion, 32nd Infantry Regiment


 * Shoulder sleeve insignia of the 10th Mountain Division (1944-2015).svg 10th Mountain Division - 4×
 * 1st Battalion, 87th Infantry Regiment
 * 2nd Battalion, 87th Infantry Regiment
 * 5th Battalion, 25th Field Artillery Regiment (as 604th Field Artillery Battalion)
 * 41st Brigade Engineer Battalion (as: 126th Engineer Mountain Battalion)


 * 11th Airborne Division Insignia 2022.png 11th Airborne Division - 3×
 * 1st Battalion, 187th Infantry Regiment
 * 3rd Battalion, 187th Infantry Regiment
 * 127th Brigade Engineer Battalion


 * 12th Infantry Division SSI.svg Philippine Division - 1×
 * 4th Battalion, 31st Infantry Regiment


 * 24 Infantry Division SSI.svg 24th Infantry Division - 3×
 * 1st Battalion, 21st Infantry Regiment
 * 2nd Battalion, 11th Field Artillery Regiment
 * 3rd Brigade Engineer Battalion


 * 25th Infantry Division CSIB.svg 25th Infantry Division - 5×
 * 1st Battalion, 27th Infantry Regiment
 * 2nd Battalion, 27th Infantry Regiment
 * 2nd Battalion, 35th Infantry Regiment
 * 2nd Battalion, 8th Field Artillery Regiment
 * 65th Brigade Engineer Battalion


 * 37th Infantry Division CSIB.svg 37th Infantry Division - 1×
 * 3rd Battalion, 6th Field Artillery Regiment


 * US 71st Infantry Division.svg 71st Infantry Division - 2×
 * 1st Battalion, 5th Infantry Regiment
 * 2nd Battalion, 14th Infantry Regiment


 * 82 Airborne Patch.svg 82nd Airborne Division - 15×
 * 1st Battalion, 325th Infantry Regiment
 * 2nd Battalion, 325th Infantry Regiment
 * 1st Battalion, 504th Infantry Regiment
 * 2nd Battalion, 504th Infantry Regiment
 * 1st Battalion, 505th Infantry Regiment
 * 2nd Battalion, 505th Infantry Regiment
 * 1st Battalion, 508th Infantry Regiment
 * 2nd Battalion, 508th Infantry Regiment
 * 1st Battalion, 319th Airborne Field Artillery Regiment
 * 2nd Battalion, 319th Airborne Field Artillery Regiment
 * 3rd Battalion, 319th Airborne Field Artillery Regiment
 * 4th Battalion, 319th Airborne Field Artillery Regiment
 * 1st Battalion, 320th Field Artillery Regiment
 * 3rd Battalion, 320th Field Artillery Regiment
 * 307th Brigade Engineer Battalion


 * US 92nd Infantry Division SVG.svg 92nd Infantry Division - 1×
 * 317th Brigade Engineer Battalion


 * Combat service identification badge of the 101st Airborne Division.png 101st Airborne Division - 10×
 * 1st Battalion, 327th Infantry Regiment
 * 2nd Battalion, 327th Infantry Regiment
 * 1st Battalion, 501st Infantry Regiment
 * 2nd Battalion, 501st Infantry Regiment
 * 1st Battalion, 502nd Infantry Regiment
 * 2nd Battalion, 502nd Infantry Regiment
 * 1st Battalion, 506th Infantry Regiment
 * 2nd Battalion, 506th Infantry Regiment
 * 2nd Battalion, 377th Field Artillery Regiment
 * 326th Brigade Engineer Battalion


 * 1st US Armored Division SSI.svg 1st Armored Division - 10×
 * 1st Squadron, 1st Cavalry Regiment
 * 2nd Squadron, 1st Cavalry Regiment
 * 5th Squadron, 1st Cavalry Regiment
 * 6th Squadron, 1st Cavalry Regiment
 * 8th Squadron, 1st Cavalry Regiment
 * 2nd Squadron, 13th Cavalry Regiment
 * 1st Battalion, 6th Infantry Regiment
 * 4th Battalion, 6th Infantry Regiment
 * 4th Battalion, 27th Field Artillery Regiment
 * 16th Brigade Engineer Battalion


 * 2nd US Armored Division SSI.svg 2nd Armored Division - 5×
 * 1st Battalion, 41st Infantry Regiment
 * 1st Battalion, 66th Armor Regiment
 * 3rd Battalion, 66th Armor Regiment
 * 1st Battalion, 67th Armor Regiment
 * 3rd Battalion, 67th Armor Regiment


 * 3rd US Armored Division SSI.svg 3rd Armored Division - 4×
 * 1st Squadron, 32nd Cavalry Regiment
 * 1st Squadron, 33rd Cavalry Regiment
 * 1st Battalion, 36th Infantry Regiment
 * 23rd Brigade Engineer Battalion


 * 4th US Armored Division SSI.svg 4th Armored Division - 3×
 * 1st Battalion, 35th Armor Regiment
 * 1st Battalion, 37th Armor Regiment
 * 2nd Battalion, 37th Armor Regiment


 * 5th US Armored Division SSI.svg 5th Armored Division - 1×
 * 2nd Battalion, 34th Armor Regiment


 * 6th US Armored Division SSI.svg 6th Armored Division - 3×
 * 2nd Battalion, 69th Armor Regiment
 * 1st Battalion, 68th Armor Regiment
 * 3rd Battalion, 69th Armor Regiment


 * 7th US Armored Division SSI.svg 7th Armored Division - 1×
 * 1st Squadron, 40th Cavalry Regiment


 * 9th US Armored Division SSI.svg 9th Armored Division - 3×
 * 2nd Battalion, 3rd Field Artillery Regiment
 * 3rd Battalion, 16th Field Artillery Regiment
 * 9th Brigade Engineer Battalion


 * [[File:Combat service identification badge of the United States Army 1st Cavalry Division.svg|25px]] 1st Cavalry Division - 14×
 * 1st Battalion, 5th Cavalry Regiment
 * 2nd Battalion, 5th Cavalry Regiment
 * 1st Squadron, 7th Cavalry Regiment
 * 2nd Battalion, 7th Cavalry Regiment
 * 5th Squadron, 7th Cavalry Regiment
 * 1st Battalion, 8th Cavalry Regiment
 * 2nd Battalion, 8th Cavalry Regiment
 * 3rd Battalion, 8th Cavalry Regiment
 * 6th Squadron, 8th Cavalry Regiment
 * 1st Battalion, 12th Cavalry Regiment
 * 2nd Battalion, 12th Cavalry Regiment
 * 1st Battalion, 82nd Field Artillery Regiment
 * 2nd Battalion, 82nd Field Artillery Regiment
 * 8th Brigade Engineer Battalion

Non-divisional units: Infantry:
 * US 2nd Cavalry Division.svg 2nd Cavalry Division - 5×
 * 1st Battalion, 9th Cavalry Regiment
 * 4th Squadron, 9th Cavalry Regiment
 * 6th Squadron, 9th Cavalry Regiment
 * 4th Squadron, 10th Cavalry Regiment
 * 2nd Battalion, 77th Field Artillery Regiment
 * 3rd Infantry Regiment - 1×
 * 2nd Battalion, 3rd Infantry Regiment


 * 4th Infantry Regiment - 1×
 * 2nd Battalion, 4th Infantry Regiment


 * 24th Infantry Regiment - 1×
 * 1st Battalion, 24th Infantry Regiment


 * 442nd Regimental Combat Team - 1×
 * 100th Battalion, 442nd Infantry Regiment


 * 503rd Parachute Infantry Regiment - 2×
 * 1st Battalion, 503rd Infantry Regiment
 * 2nd Battalion, 503rd Infantry Regiment


 * 509th Parachute Infantry Regiment - 1×
 * 3rd Battalion, 509th Infantry Regiment

Cavalry:
 * 4th Mechanized Cavalry Group - 3×
 * 1st Squadron, 4th Cavalry Regiment
 * 3rd Squadron, 4th Cavalry Regiment
 * 5th Squadron, 4th Cavalry Regiment


 * 6th Mechanized Cavalry Group - 4×
 * 1st Squadron, 6th Cavalry Regiment
 * 2nd Squadron, 6th Cavalry Regiment
 * 3rd Squadron, 6th Cavalry Regiment
 * 6th Squadron, 6th Cavalry Regiment


 * 14th Mechanized Cavalry Group - 2×
 * 1st Squadron, 14th Cavalry Regiment
 * 2nd Squadron, 14th Cavalry Regiment


 * ??? - 1×
 * 1st Squadron, 75th Cavalry Regiment


 * 91st Reconnaissance Squadron - 1×
 * 1st Squadron, 91st Cavalry Regiment

Artillery:
 * 17th Field Artillery Regiment - 1×
 * 2nd Battalion, 17th Field Artillery Regiment

Tank Destroyer battalions:
 * 601st Tank Destroyer Battalion - 1×
 * 3rd Squadron, 61st Cavalry Regiment
 * 701st Tank Destroyer Battalion - 1×
 * 3rd Squadron, 71st Cavalry Regiment
 * 899th Tank Destroyer Battalion - 2×
 * 1st Squadron, 89th Cavalry Regiment
 * 3rd Squadron, 89th Cavalry Regiment

Tank battalions:
 * 70th Tank Battalion - 2×
 * 2nd Battalion, 70th Armor Regiment
 * 4th Battalion, 70th Armor Regiment
 * 745th Tank Battalion - 1×
 * 1st Battalion, 63rd Armor Regiment
 * 753rd Tank Battalion - 1×
 * 1st Battalion, 77th Armor Regiment
 * 756th Tank Battalion - 3×
 * 1st Squadron, 73rd Cavalry Regiment
 * 3rd Squadron, 73rd Cavalry Regiment
 * 5th Squadron, 73rd Cavalry Regiment
 * 758th Tank Battalion - 1×
 * 1st Battalion, 64th Armor Regiment

Engineer regiments:
 * 19th Engineer Combat Regiment - 1×
 * 52nd Brigade Engineer Battalion


 * 36th Engineer Combat Regiment - 1×
 * 14th Brigade Engineer Battalion (1st Battalion)


 * 39th Engineer Combat Regiment - 2×
 * 82nd Brigade Engineer Battalion (1st Battalion)
 * 39th Brigade Engineer Battalion (2nd Battalion)


 * 92nd Engineer General Service Regiment - 1×
 * 92nd Engineer Battalion


 * 91st Engineer General Service Regiment - 1×
 * 91st Brigade Engineer Battalion


 * 388th Engineer General Service Regiment - 1×
 * 588th Brigade Engineer Battalion

Engineer battalions:
 * 11th Engineer Combat Battalion - 1×
 * 11th Engineer Battalion
 * 29th Engineer Topographic Battalion - 1×
 * 29th Brigade Engineer Battalion
 * 37th Engineer Combat Battalion
 * 37th Brigade Engineer Battalion
 * 145th Engineer Combat Battalion - 1×
 * 70th Brigade Engineer Battalion
 * 348th Engineer Combat Battalion - 1×
 * 40th Brigade Engineer Battalion
 * 299th Engineer Combat Battalion - 1×
 * 299th Brigade Engineer Battalion
 * 1277th Engineer Combat Battalion - 1×
 * 21st Brigade Engineer Battalion
 * 1340th Engineer Combat Battalion - 1×
 * 54th Brigade Engineer Battalion

Chemical battalions:
 * 23rd Chemical Smoke Generator Battalion - 1×
 * 23rd Chemical Battalion
 * 83rd Chemical Battalion - 1×
 * 83rd Chemical Battalion